WORKPRO 5-in-1 Rivet Gun Set 10-Inch Pop Riveter with 2.4/3.2/4/4.8/6.4mm Nozzle
£27.59
Do not unscrew the riveter in this case, just take the nose piece off the muzzle, then choose a larger nosepiece from the handle and install it on the muzzle, open the handle and you will find the stuck stem fall out automatically.
